SLG46533 datasheet(75/185 Pages) DIALOG

Il numero della parte	SLG46533

Spiegazioni elettronici	GreenPAK Programmable Mixed-signal Matrix

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SLG46533

9.5 3-Bit LUT or 8-Bit Counter / Delay Macrocells

There are five macrocells that can serve as either 3-bit LUTs or as Counter / Delays. When used to implement LUT function, the

3-bit LUT takes in three input signals from the connection matrix and produces a single output, which goes back into the connec-

tion matrix. When used to implement 8-Bit Counter / Delay function, two of the three input signals from the connection matrix go

to the external clock (ext_clk) and reset (DLY_in/CNT_Reset) for the counter/delay, with the output going back to the connection

matrix.

These macrocells can also operate in a one-shot mode, which will generate an output pulse of user-defined width.

These macrocells can also operate in a frequency detection or edge detection mode.

For timing diagrams refer to section 9.7 CNT/DLY/FSM Timing Diagrams

Two of the five macrocells can have their active count value read via I2C (CNT4 and CNT6). See Section 18.5.1.2 Reading Counter

Data via I2C

for further details.

9.5.1 3-Bit LUT or 8- Bit CNT/DLY Block Diagrams

Figure 29. 3-bit LUT5 or CNT/DLY2

CNT/DLY2 OUT

clk

DLY_in/CNT_Reset

3-bit LUT5

OUT

IN0

IN1

8-bits NVM

1-bit NVM

IN2

reg <1543:1536>

reg <1198>

From Connection

Matrix Output <83>

From Connection

Matrix Output <84>

To Connection

Matrix Input <17>

From Connection

Matrix Output <85>

LUT Truth

Table

CNT

Data

S0

S1

S0

S1

S0

S1

0: 3-bit LUT5 IN1

1: CNT/DLY2 clk

0: 3-bit LUT5 OUT

1: CNT/DLY2 OUT

0: 3-bit LUT5 IN0

1: CNT/DLY2 RST

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